Company General Presentation
Aquatech India
Tomas Dornik, MEGA a.s., Czech
Republic
RALEX® - WATER TREATMENT
To be preferred supplier of electro-chemical
membrane processes providing superior
solutions and services with maximum respect to
the environment.
RALEX® - WATER TREATMENT
Our mission

We are innovative and constantly growing private
company with more than 25 years of experience
in the production of ion-exchange membrane and
supply of membrane technologies

Family owned company (Mr. Lubos Novak, Ph.D.)

author or co-author of patents (>20), research reports (>100) especially
in the field of membrane processes, president of Czech Membrane
Platform, founder of electro-membrane processes in CR

Core business is production of ion-exchange membranes,
spacers, membrane stacks and supply of complex electromembrane technologies on the basis of own know-how

Processes and products are certificated by ISO (EU
standards) and GOST-R (Russian Standards)
RALEX® - WATER TREATMENT
Company profile

1975 – 1981: Central laboratories of uranium industry
(CSUP)
•
since April 1992: MEGA a.s.
•
2000: MEGA-TEC s.r.o.

1981 – 1990: Research and Development Institute of CSUP
•
2007: MEGA ProfiLine

since 1985: Industrial production of membranes RALEX®
•
2008: MemBrain

1991 – 1992: MEGA - VVÚ s.p. – state company
•
2012: MEGA Ukraine
1995
2012
RALEX® - WATER TREATMENT
History
RALEX® - WATER TREATMENT
Production Plant in Straz pod Ralskem
RALEX® - WATER TREATMENT
MEGA Group

Subsidiary of MEGA a.s., Quick transfer of results of research
works to industrial applications

Headquarters: Stráž pod Ralskem, Czech Republic

Founded: 2008

Employees: 56

Activities are mainly focusing into:
-
the latest processing trends in the field of membrane processes
-
electro-membrane processes
-
hybrid membrane processes
-
bipolar membranes
-
gas separation
RALEX® - WATER TREATMENT
MemBrain s.r.o.
R&D (research and development)
Membrane Innovation Center (MIC) is a
unique Center focusing on research and
innovation in membrane processes, which
provides:

new infrastructure for research and
innovation activities

modern equipment of analytical,
technological and mobile laboratory

net of industrial and academic organizations

more than ten years experience in R&D

support for education and popularization of
the field
RALEX® - WATER TREATMENT
MemBrain s.r.o.
Membrane Innovation Center (MIC)
Our Offer in Membrane Processes


Products

Heterogenous ion-exchange RALEX membranes® (www.ralex.eu)

Electrodialysis equipment (laboratory, pilot, industrial)

Electrodeionization equipment

Electrophoretic cells (flat, tubular)
Membrane technologies (turn-key delivery)

Electrochemical (ED(R), EDI)

Complex process lines (integrated membrane processes)
R&D and other services

Consultancy, expertise, designing

Laboratory and pilot scale trials

Guarantee and post-guarantee service

Staff training
RALEX® - WATER TREATMENT

Main Products & Applications
ED, EDR, EDI, (RO)
Water
Food
Special Apps
Replacement
E-coat
Product
EWTU, HPWU,
(RWTU)
EWDU
ELPU
RALEXEL, RALEX
EFC
Sludge lake
water treatment
Whey
demineralization
L-carnitine
Desalination
Membranes
(GE-Ionics,
Schekino)
Anode cell
tubular
Ammonium
nitrate
condensate
Mother liquor
demineralization
Gama–butyrobetain
desalination
Spacers
(GE-Ionics)
Anode cell
flat
Tertiary
Treatment
UF permeate
demineralization
Purification of organic
solution
Electrodes
(GE-Ionics)
Membrane
tube
Brackish water
desalination
Lactulose syrup
demineralization
Glycol purification
ED Stacks
(Eurodia)
Membrane roll
Waste water
Re-use
Skim-milk
de-ashing
Xylose
Desalination
Application
Segment
Ultra-pure
water
production
Re-use of rinse water
from galvanizing plant
RALEX® - WATER TREATMENT
Processes
RALEX® - WATER TREATMENT
Strategic partners:
Definition of Electrodialysis
Electrodialysis (ED) is an electrically-driven method of removing
dissolved ionic compounds
-
Dissolved solids may exist in a form of ions that are either positively
or negatively charged (cations or anions)
-
When an electrical potential is applied across the ion-selective
membrane, cations migrate towards the negative electrode (cathode)
and anions migrate towards positive electrode (anode)
-
The driving force is DC electric field
RALEX® - WATER TREATMENT

Definition and Characteristics of Ions

Ions are nothing more than atoms or molecules that have
gained or lost an electron(s).
-
Generated by salts, acids or alkalies dissociation in water
-
Both types – organic and inorganic
-
Independent movement in solution
Cation is a positively charged
(loosing of electron) ion
-

Cations migrate to the cathode
Anion is a negatively charged
(gaining of electron) ion
-
Anions migrate to the anode
RALEX® - WATER TREATMENT


Ion-exchange membranes present ion-selective barries

Cation-exchange membranes (CM)

-
Selective transport of cations
-
Anionic transport blocked
-
Permselectivity about 96 %
Anion-exchange membranes (AM)
-
Selective transport of anions
-
Cationic transport blocked
-
Permselectivity about 96 %
RALEX® - WATER TREATMENT
Ion-exchange Membranes
Electrodialyzer – Heart of the ED Process
Basic characteristics
-
Series of alternating ion-exchange membranes separated by spacers
-
One cation and one anion exchange membrane plus two spacers =
cell pair
-
Spacers are alternately connected to internal manifolds for proper
liquids distribution
-
Platinum-coated titanium electrodes
RALEX® - WATER TREATMENT

Electrodialyzer – Heart of the ED Process
1- Manifolds with built-in collectors
2 - Electrodes
4 - Spacers
5 - Tie-rods, washers and nuts
6 - Assembly pins
RALEX® - WATER TREATMENT
3 - Ion exchange membranes
RALEX EDR stacks for industrial applications
Membrane stack EDR-III
RALEX® - WATER TREATMENT
Membrane Stack ED/EDR-II
Small capacity EWT technology units
P-series
-
EWTU P10 and EWTU P20 are compact, fully autonomous processing units for
small size projects till 15 m3/hour (EWTU P10) and 20 m3/hour (EWTU P20);
also suitable for piloting and/or testing
-
Both single pass and batch process applicable
-
Up to three stacks in series (for single pass mode)
RALEX® - WATER TREATMENT

Medium-capacity EWT technology units
M-series
-
M45 and M90 are compact, fully autonomous processing units for mediumcapacity size projects till 45 m3/hour (EWTU M45) and till 90 m3/hour (EWTU
M90);
-
Operating in single-pass through mode
-
M45 - arrangement in one line ; up to three stacks in series
-
M90 - arrangement in two lines; up to three stacks in series a s standard, can
be designed with 2 concentration loops as four stages technology
RALEX® EWTU M45
RALEX® EWTU M90
RALEX® - WATER TREATMENT

Large scale EWT technology units
TwinLine90
-
Inlet hydraulic skid with reversal valves, pneumatic actuated
-
Two EDR lines, 2, 3 or 4 stages
-
Outlet hydraulic skid
-
Pipe collectors
TwinLine90 12L/3S (approx. 500 m3/hour of
product)
One
TwinLine90
RALEX® - WATER TREATMENT

MEGA industrial applications of ED/EDR in Water Reuse and
Desalination

Water Reuse
-
of biologically pretreated waste waters to produce water for agricultural
or landscape irrigation
-
of discharged water from industry to reuse it back to a process (as
process water, make up water for cooling towers, RO brine recovery)
-
treatment of waste condensates from fertilizer industry to reuse ED
concentrate back in the production process and diluate in water
management of the company
-
…
Desalination
-
of tailing ponds (mining industry)
-
of gas well waters
-
of brackish waters to produce drinking water
-
…
RALEX® - WATER TREATMENT

MEGA industrial applications of ED/EDR in Water Reuse and
Desalination
Desalination cost of various technologies
E-Separation
10 $/m3
Cost
Ion Exchange
1 $/m3
Reverse Osmosis
0,1 $/m3
IX
EDR
RO
EDR
1 g/L
10 g/L
100 g/L
TDS
Evap
RALEX® - WATER TREATMENT
Evaporation
MEGA projects in Water Reuse: Project “Depurbaix”
Client:
BEFESA/ACSA
Project:
Municipal waste water (tertiary) treatment to produce irrigation water
Locality:
Barcelona, Spain
Commissioning:
2010
Feed specification:
Municipal wastewater after biological and mechanical pre-treatment;
3200 microS/cm
Quality of Product:
< 750 microS/cm
Capacity of product:
4x 12.000 m3/day (4x 500 m3/hour)
MEGA technology:
RALEX EWTU TwinLine90 48L/2S (EDR-III/600)
Mode:
Single pass, water recovery 86%
RALEX® - WATER TREATMENT
Desalination of biologically pretreated municipal waste water to produce water for agricultural irrigation
MEGA projects in Water Reuse: Project “Depurbaix”
RALEX® - WATER TREATMENT
Desalination of biologically pretreated municipal waste water to produce water for agricultural irrigation
MEGA projects in Water Reuse: Project “Depurbaix”
Desalination of biologically pretreated municipal waste water to produce water for agricultural irrigation
Process block
scheme
hypochlorite
WWTP
Actiflo®
Secondary Coagulation,
settler
Injection,
Maturation,
Lamella
Clarifier
Discfilter
Filtration
Cartridge
filtration
Tailing pond
K II
Injection into
aquifer to prevent
saline intrusion
Agricultural
Irrigation
ED
UV
Disinfection Sand
filtration
Feed into wetland areas
Feed into river Llobregat
RALEX® - WATER TREATMENT
UF, RO, Ultraviolet
MEGA projects in Water Reuse: Project „A.R.P.C.“
Client:
GEMWATER/ ARAK PETROCHEMICAL CORPORATION
Project:
Desalination of biologically pretreated waste water from petrochemical
plant to produce make up water for cooling towers
Locality:
Arak, Iran
Commissioning:
2010
Feed specification:
Wastewater after biological and mechanical pre-treatment,
1800 microS/cm
Quality of Product:
85% of desalination degree (approx. 200-250 microS/cm)
Capacity of product:
210 m3/hour
MEGA technology:
RALEX EWTU 6L/3S (EDR-III/500)
Mode:
Single pass, water recovery 85%
RALEX® - WATER TREATMENT
Desalination of biologically pretreated waste water to produce make up water for cooling towers
MEGA projects in Water Reuse: Project „A.R.P.C.“
Tailing pond
KI
RALEX® - WATER TREATMENT
Desalination of biologically pretreated municipal waste water to produce make up water for cooling towers
MEGA projects in Water Reuse: Project „A.R.P.C.“
Desalination of biologically pretreated municipal waste water to produce make up water for cooling towers
Clarifier
Waste
water from
Complex
Cooling tower
make up
Cartridge
filters
EDR
DAF
Activated
sludge
Sand filters +
Carbon filters
Evaporation pond
RALEX® - WATER TREATMENT
Process block scheme
MEGA projects in Desalination: Project „GEAM“
Client:
DIAMO s.p., zavod GEAM
Project:
Desalination of tailing ponds created by uranium mining
Locality:
Dolni Rozinka, Czech Republic
Commissioning:
1986, extension 1995, extension 2007
Feed specification:
Alkaline tailing pond waters from uranium mining with approx. 35 g/l TDS,
containing, especially anions SO42- (20 g/l), NO3-, NO2-, cations NH4 , Na+,
Ca2+, Mg 2+, other metals as Mo, organic matters, uranium U
Pretreatment:
Addition of lime and soda ash to precipitation Ca2+ and Mg2+ , sand
filtration sorption of heavy metals and uranium on ionexchange colon filled
by LEWATIT, sorption of organic solids on acivated carbon
Capacity, composition:
ED (membrane stacks ED-II) in Feed&Bleed mode
-
Feed: 65 m3/h, TDS approx. 35 g/l
-
Diluate: 50 m3/h, TDS 12-15 g/l; Concentrate: 15 m3/h, TDS min.
100g/l
RO
-
Feed: 50 m3/h, TDS 12 g/l
-
Permeate: 35 m3/h, TDS less than 0,5 g/l; Retentate: 15 m3/h, TDS
cca 40 g/l
Quality of Product:
Desalinated stream is discharged after pH controlle to a river, concentrate
is evaporated to the final commercial product of pure Na2SO4
MEGA technology:
Combination of ED and RO; ED: RALEX EWTU 30xED-II/200
ED Mode:
Feed&Bleed
RALEX® - WATER TREATMENT
Desalination of tailing ponds (mining industry)
MEGA projects in Desalination: Project „GEAM“
Tailing pond K I
Tailing pond K II
RALEX® - WATER TREATMENT
Desalination of tailing ponds (mining industry)
MEGA projects in Desalination: Project „GEAM“
Desalination of tailing ponds (mining industry)
Evaporation, Na2SO4
crystalization
Tailing
pond
water
Lime,Na2CO3
Sorption of heavy
metals and U (on ion
exchange columns)
Tailing pond
RO
K II
ED
Drainage
water
Ca and Mg
Sand
precipitation filtration
GAC
Filtration
(sorption of
organic solids)
River
RALEX® - WATER TREATMENT
Process block scheme
MEGA projects in Desalination: Project „ZSNP“
Client:
ZSNP a.s.
Project:
Desalination of tailing ponds created after production of aluminium oxide
Locality:
Ziar nad Hronom, Slovakia
Commissioning:
2003
Feed specification:
Very high alkalinity waters (pH 13-14) from red mud tailing pond (nearly
10g/l of free NaOH, containing anions OH-, CO32-, cations Na+, K+, metals as
Al (1g/l), heavy metals Cr, As, Mo, V and some organic matters)
Pretreatment:
Neutralisation with H2SO4 and precipitation using FeSO4 plus floccculant,
sedimentation and filtration, additional acidification and double filtration
before electrodialysis itself
Capacity, composition:
Feed: 14,4 m3/hr at 37 g/l TDS ; Diluate: 11,8 m3/hr at 6 g/l TDS;
Concentrate: 2,6 m3/hr at 180 g/l TDS
Quality of Product:
Desalinated stream is discharged after pH controlle to a river, concentrate
is evaporated to the final commercial product of pure Na2SO4
MEGA technology:
ED: RALEX EWTU 12xED-II/200
Mode:
Feed&Bleed
RALEX® - WATER TREATMENT
Desalination of tailing ponds (mining industry)
MEGA projects in Desalination: Project „ZSNP“
DIVISON OF MEMBRANE PROCESSES
Desalination of tailing ponds (mining industry)
MEGA projects in Desalination: Project „ZSNP“
Desalination of tailing ponds (mining industry)
Process block scheme
NaClO2
(disinfection)
H2SO4,
FeSO4
Floculant
H2SO4,
NaClO2
(disinfection)
Sand and
anthracite
filtration II
Tailing pond
water
Neutralization, Sedimentation
As and Cr
precipitation
ED
Sand and Decarbonation
anthracite
(by air)
filtration I
Bag and
Cartridge
filtration
River
RALEX® - WATER TREATMENT
Evaporation, Na2SO4
crystalization
MEGA projects in Desalination: Project „GRP“
Client:
GP RESOURCES
Project:
Small capacity unit - treatment of gas well waters
Locality:
Alberta-Calgary, Canada
Commissioning:
2008
Feed specification:
Gas well water, TDS in range 10 000 – 18 000 mg/l
Quality of Product:
Drinking water for hog barns, TDS under 500 mg/l
Capacity of product:
approx. 40 m3/day
MEGA technology:
RALEX EWTU P10 1xEDR-II/200-0.8;
Mode:
Batch
RALEX® - WATER TREATMENT
Desalination of gas well waters
MEGA projects in Desalination: Project „GRP“
RALEX® - WATER TREATMENT
Desalination of gas well waters
MEGA projects in Desalination: Project „GRP“
Desalination of gas well waters
Process block scheme
Drinking
water
Gas
well
water
filtration 1 µm
Feed
tank 1
EDR
EDR
GAC Filtration
(sorption of
hydrogencarbons)
Feed
tank 2
Brine
tank
RALEX® - WATER TREATMENT
Bag
MEGA projects in Desalination: Project „Llobregat-Abrera “
Client:
Aigües del Ter-Llobregat (ATLL)
Project:
Pilot unit - treatment of river water to produce drinking water
Locality:
Abrera, Barcelona, Spain
Commissioning:
2008
Feed specification:
Trihalomethanes
River water, < 2 000 microS/cm, problem s with high level of
Quality of product:
Potable water, 400-500 microS/cm
Capacity of product:
10-12 m3/hour
MEGA technology:
RALEX EWTU P10 2xEDR-III/150-0.8
Mode:
Single pass
RALEX® - WATER TREATMENT
Desalination of brackish waters to produce drinking water
MEGA projects in Desalination: Project „Llobregat-Abrera “
RALEX® - WATER TREATMENT
Desalination of brackish waters to produce drinking water
MEGA projects in Desalination: Project „Llobregat-Abrera “
Desalination of brackish waters to produce drinking water
KMnO4 Coagulant
Floculant
ClO2
GAC Filtration
(dechlorination)
Cl2
Cl2
Drinking
water
Llobregat
River
EDR
CO2
Sedimentation
Sand filtration
CO2
Remineralization
RALEX® - WATER TREATMENT
Process block scheme
MEGA projects in Chemical Industry:
Project „JSC Minudobreniya “
Client:
JSC MINUDOBRENIYA – Rossosh,
Project:
Treatment of waste waters from production of NPK in order to reuse ED
concentrate back in the production process. Diluate stream is used in water
management of the company.
Locality:
Rossosh, Russia
Commissioning:
2012
Feed specification:
60 m3/hour of wastewater from ammonia nitrate production, 1,7 g/l (mainly
NO3, NH4+)
Requirement for product: ED concentrate approx.100 g/l (1 m3/h), diluate approx. 0,05 g/l (59 m3/h)
MEGA technology:
Pretreatment - Sand filtration plus microfiltration
RALEX® EWTU М90 2L/4S EDR-III/600; RALEX® EWTU P15 2xEDII/250;
Mode:
1. part: Basic demineralization on RALEX® EWTU M90 2L/4S EDR-III/600
operating in one-pass mode
2. part: The concentration on the two units RALEX® EWTU P15 2xEDII/250 operating in batch mode
RALEX® - WATER TREATMENT
Treatment of waste waters from fertilizer industry
MEGA projects in Chemical Industry:
Project „JSC Minudobreniya “
RALEX® - WATER TREATMENT
Treatment of waste waters from fertilizer industry
MEGA projects in Water Reuse:
Project „JSC Minudobreniya - Rossosh“
Treatment of waste waters from fertilizer industry
Pretreatment
Electromembrane processes
Product 1: Diluate
Feed water
TDS = 1,7 g/l
EWTU M90
2L/4S
Buffer
tank
TDS = 0,05 g/l
EDRIII/600
Sand MF
filtration
2 x EWTU
P15
ED-II/250
Product 2:
Concentrate
(NH4NO3) TDS
above 100 g/l
RALEX® - WATER TREATMENT
Process block scheme
Unit A25

feed 25 m3.h-1, TDS 3.0 g.l-1 (as NH4NO3), temp. 20 – 40°C

diluate TDS 0.10 – 0.25 g.l-1

concentrate TDS 100 – 200 g.l-1

energy consumption 3.5 kWh.m-3 (of upper defined feed)
RALEX® - WATER TREATMENT
Nominal Parameters
RALEX® - WATER TREATMENT
Unit A25
Unit A25

without intermediate tanks, pumps and instrumentation

compact footprint

optimized membrane area

the same spare parts for both types of membrane stacks

all main components doubled

possibility to have 1 line in operation and 1 line in repair or CIP

fast start to full production with constant products quality

no waste production even during CIP (reprocessing by A25)
RALEX® - WATER TREATMENT
Advantages in Comparison to the Conventional ED Concept
MEGA projects in Chemical Industry: Project „Kuybyshev AZOT“
Client:
AO KUYBYSHEV AZOT
Project:
Treatment of waste waters from production of NPK in order to reuse ED
concentrate back in the production process. Diluate stream is used in water
management of the company.
Locality:
Togliatti, Russia
Commissioning:
2013
Feed specification:
60 m3/hour of wastewater from ammonia nitrate production, 2,9g/l
Requirement for product: ED concentrate approx.120 g/l, diluate approx. 0,04 g/l;
MEGA technology:
2xRALEX®
RALEX® EWTU М90 2L/4S EDR-III/600; RALEX® EWTU 4xED-II/250;
EWTU HPW P32 8xEDI-X
Mode:
1. part: Basic demineralization on RALEX® EWTU M90 2L/4S EDR-III/600
operating in one-pass mode
2. part: The concentration on the two units RALEX® EWTU 4xED-II/250
operating in batch mode
RALEX® - WATER TREATMENT
Treatment of waste waters from fertilizer industry
MEGA projects in Chemical Industry: Project „Kuybyshev AZOT“
RALEX® - WATER TREATMENT
Treatment of waste waters from fertilizer industry
MEGA projects in Chemical Industry: Project „Kuybyshev AZOT“
Treatment of waste waters from fertilizer industry
Pretreatment
Feed water
TDS = 2,9 g/l
Electromembrane processes
Product 1: Diluate
TDS = 0,04 g/l
EWTU M90
2L/4S
Buffer
tank
EWTU HPW
P32 8xEDI-X
EDRIII/600
MF
EWTU
4xEDII/250
Product 2:
Concentrate
(NH4NO3) TDS
above 120 g/l
RALEX® - WATER TREATMENT
Process block scheme
MEGA projects in Water Reuse: Project „Petrochemical Complex Comperj “
Client:
VWS Brasil Ltda
Project:
for
Desalination pretreated industrial waste water after MBR to prepare water
further industrial usage in a petrochemical complex
Locality:
Itaboraí – Rio de Janeiro, Brasil
Commissioning:
supposed 2014
Feed specification:
Industrial waste waters after MBR; TDS 1200mg/l
Quality of Product:
TDS 210 mg/l
Capacity of product:
425 m3/hour
MEGA technology:
RALEX EWTU TwinLine90 12L/3S (EDR-III/550)
Mode:
Single pass, water recovery 85%
RALEX® - WATER TREATMENT
Desalination of mechanically and biologically pretreated industrial waste water for further industrial usage
MEGA projects in Water Reuse: Project „Petrochemical Complex Comperj “
RALEX® - WATER TREATMENT
Desalination of mechanically and biologically pretreated industrial waste water for further industrial usage
MEGA projects in Water Reuse: Project „Petrochemical Complex Comperj “
Desalination of mechanically and biologically pretreated industrial waste water for further industrial usage
Process block scheme
Boiler
feed
Oil
separator
EDR
MBR
DAF
Nut schell
filter
Carbon
filters
RO
RALEX® - WATER TREATMENT
Mix Bed
Waste
water
from
Complex
MEGA projects in Water Reuse: Project „Achinsk“
Client:
BIOTECHPROGRESS
Project:
water
Desalination of mechanicaly and biologically pretreated industrial waste
to achieve the ecological limits for discharge to watercourse
Locality:
Krasnoyarsk, Russia
Commissioning:
supposed 2014-2015
Feed specification:
Industrial waste waters after biological and mechanical pretreatment; TDS
1300mg/l
Quality of Product:
TDS 500 mg/l
Capacity of product:
500 m3/hour
MEGA technology:
RALEX EWTU TwinLine90 12L/2S (EDR-III/550) + 6L/2S
Mode:
Single pass, water recovery 85%
RALEX® - WATER TREATMENT
Desalination of mechanically and biologically pretreated industrial waste water to achieve the limits for discharge
MEGA projects in Water Reuse: Project „Achinsk“
Desalination of mechanically and biologically pretreated industrial waste water to achieve the limits for discharge
Bag filtration
(TSS removal)
Tailing
pond
Diluate
TDS = 0,37 g/l
K II
Feed water
TDS = 1,3 g/l
MBR
EDR
RO
Organic
removal
Crystalization
Concentrate
TDS = 7 g/l
RALEX® - WATER TREATMENT
Process block scheme
MEGA projects in Desalination: „Project Belkhir“
Client:
METITO
Project:
Drinking water supply
Locality:
Belkhir, Tunisia
Commissioning:
supposed 2014
Feed specification:
Well water, TDS 2500 mg/l
Quality of Product:
Drinking water, TDS under 1000 mg/l
Capacity of product:
approx. 2x 800 m3/day
MEGA technology:
2x RALEX EWTU M45 2xEDR-III/500-0.8;
Mode:
Single pass, water recovery 85%
RALEX® - WATER TREATMENT
Desalination of well waters to produce drinking water
MEGA projects in Desalination: „Project Belkhir“
Desalination of well waters to produce drinking water
Drinking water
supply < 1 g/l
Cartridge
filters
Well water
2,5 g/l
EDR
Sand filters
Evaporation pond
12,2 g/l
RALEX® - WATER TREATMENT
Process block scheme
EDI Process – How does it work
RALEX® - WATER TREATMENT
The EDI process uses ionexchange membranes in
combination with ion-exchange
resin to provide a high purity water.
MEGA Pure means MPure

Application: industrial high purity water

Reduce system complexity and cost

Equal or better DI & Silica performance vs. state-of-the-art EDI

Improved mechanical construction

Improve stack robustness

Cost competitive also for large flow rates
RALEX® - WATER TREATMENT
M36 Product Requirements

Flow rate 10-15 m3/h per stack
 Low system cost

Interconnection up to 3 stacks
 Competitive with MB

High Recovery

Hardness Tolerance
RALEX® - WATER TREATMENT
M36 Product Requirements
RALEX® - WATER TREATMENT
GEAM Demonstration Unit
RALEX® - WATER TREATMENT
Mpure Three Stack System
RALEX® - WATER TREATMENT
Mpure Three Stack System

EXPERIENCE: MEGA has long-term experience in developing, designing,
manufacturing and supplying of electrodialysis (since 1985).

PROVEN AND REASONABLE: MEGA has a significant market position in
electrodialysis supply for different applications and industries (reference list
upon request)

KNOWLEDGE: MEGA has long-term R&D co-operation with reputable
institutions concerning whey treatment and MEGA ProfiLine develops new
dairy products based on demineralized whey. R&D subsidiary MemBrain
Ltd. received budget approval for building and operation of Membrane
Innovative Centre in the Czech Republic.

EU ORIGIN, SHORT DELIVERY TIME (for European & CIS customers):
MEGA manufactures all key components for ED (membranes, spacers,
stacks, equipment) based on own know-how in plant located in Central
Europe. MEGA ProfiLine keeps main spare parts and consumables in local
warehouse in Russia.
RALEX® - WATER TREATMENT
Why consider MEGA as supplier?
G11
Thank you for your
attention.
RALEX® - WATER TREATMENT